CVE-2010-0789

Impact:
Low
Public Date:
2010-01-26
Bugzilla:
577279: CVE-2010-0789 fuse: Race condition by umount (fusermount) operations

The MITRE CVE dictionary describes this issue as:

fusermount in FUSE before 2.7.5, and 2.8.x before 2.8.2, allows local users to unmount an arbitrary FUSE filesystem share via a symlink attack on a mountpoint.

Find out more about CVE-2010-0789 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2010-0789

This issue affects Red Hat Enterprise Linux 5 because it ships fusermount suid root, however the impact of this flaw is minimized due to the fact that only members in group fuse may use it the executable is owned root:fuse and mode 4750.

Red Hat Enterprise Linux 3 and 4 do not provide the fuse package.

The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here:

http://www.redhat.com/security/updates/classification/

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.7
Base Metrics AV:L/AC:L/Au:S/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 fuse Not affected
Red Hat Enterprise Linux 5 fuse Will not fix

Acknowledgements

Red Hat would like to thank Dan Rosenberg for responsibly reporting these flaws.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.